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1)  disc membrane
圆盘膜
2)  disk extraction
圆盘膜萃取
1.
Organochlorine pesticides in water were extracted by disk extraction,and the extracted solution was analyzed quantitatively by GC/MS with selected ion monitoring mode.
通过圆盘膜萃取提取水中有机氯农药,并用气质联用仪及选择离子(SIM)进行样品定量分析,加标回收率在75%~125%,测定检出限达到pg/mL级(10-12)水平。
3)  polyamide membrane disk chromatography
聚酰胺薄膜圆盘层析
1.
Mulberry anthocyanins were extracted with diluted alcohol, identified with polyamide membrane disk chromatography and purified with D155 macroporous cation exchange resins or polyamide column chromatography in this paper.
为了探讨用于分析有色植物的花色素甙成分的简易迅捷方法,采用酸性乙醇浸提桑葚中的花色素甙,以黑米的花色素甙提取物为参照标准,选用聚酰胺薄膜圆盘层析对提取物进行定性定量分析。
4)  disc [英][dɪsk]  [美][dɪsk]
圆盘
1.
A New Calculation Method for Steady - state Temperature between a Stationary Pin and a Rotating Disc;
静止销和旋转圆盘间的稳态温度新算法
2.
This is an analysis as well as a discussion of the CD-filter system imported from Ahlstrom company of Finland in respect of thestructure of the system, its properties, features, operation and the factors that have effect on filtering and washing efficiency.
对国内首台从芬兰AHLSTROM公司引进的CD压力式圆盘过滤机的结构、性能、特点、操作及影响过滤与洗涤效率的因素进行了分析与论述。
3.
As for time-lag system,the condition for the particular feature(for example disc)is also presented.
针对存在参数不确定性及非线性扰动、传感器或执行器可能失效的一类系统,给出了利用输出反馈使系统能保持渐近稳定的充分条件,并以线性矩阵不等式(LM I)的形式给出,再进一步推广到时滞系统的稳定性问题,以及使系统保持预定特性(圆盘)的充分条件。
5)  disk [英][dɪsk]  [美][dɪsk]
圆盘
1.
Symmetrical Disk s Electric Field with Electricity in Adaxial Area;
均匀带电圆盘近轴区域的电场
2.
New nonlinear fractal compression algorithm based on disk rotation;
基于圆盘旋转的新型非线性分形压缩算法
6)  circular disk
圆盘
1.
In this paper, experimental solution for circular disk subjected to diametral compression is obtained using experimental method of the electrical analogy.
本文用该法求得了对径受压圆盘的实验解 ,与圆盘理论解基本吻
2.
An axisymmetrical SPH (Smoothed Particle Hydrodynamics) model in cylindrical coordinates is proposed to study hydrodynamic problems associated with a circular disk vertically entering water.
在传统光滑质点水动力学(SPH:Smoothed particle hydrodynamics)方法的基础上推导了柱坐标下的 SPH 形式控制方程,并用于圆盘垂直入水问题的研究。
补充资料:膜萃取
分子式:
分子量:
CAS号:

性质:一般的萃取过程是两个液相直接接触,利用各个被分离的组分在两相的分配系数不同,可以把各组分分离。但对于连续逆流的萃取过程,各流体必然存在轴向返混,使萃取设备的效率大大降低。若在两液相间放置有微孔的薄膜,使两相的膜孔中接触并使被分离的组分通过微孔传递到另一相,以实现萃取分离,可以避免由于轴向返混的影响,称为膜萃取。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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